81017856

素因数分解:

$2^{10}\times 3^2\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:234

約数の個数: 132

約数和(自身を含む): 239499000

約数和(自身を除く): 158481144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 59, 64, 72, 96, 118, 128, 144, 149, 177, 192, 236, 256, 288, 298, 354, 384, 447, 472, 512, 531, 576, 596, 708, 768, 894, 944, 1024, 1062, 1152, 1192, 1341, 1416, 1536, 1788, 1888, 2124, 2304, 2384, 2682, 2832, 3072, 3576, 3776, 4248, 4608, 4768, 5364, 5664, 7152, 7552, 8496, 8791, 9216, 9536, 10728, 11328, 14304, 15104, 16992, 17582, 19072, 21456, 22656, 26373, 28608, 30208, 33984, 35164, 38144, 42912, 45312, 52746, 57216, 60416, 67968, 70328, 76288, 79119, 85824, 90624, 105492, 114432, 135936, 140656, 152576, 158238, 171648, 181248, 210984, 228864, 271872, 281312, 316476, 343296, 421968, 457728, 543744, 562624, 632952, 686592, 843936, 1125248, 1265904, 1373184, 1687872, 2250496, 2531808, 3375744, 4500992, 5063616, 6751488, 9001984, 10127232, 13502976, 20254464, 27005952, 40508928, 81017856]

約数ペア:

[(1, 81017856), (2, 40508928), (3, 27005952), (4, 20254464), (6, 13502976), (8, 10127232), (9, 9001984), (12, 6751488), (16, 5063616), (18, 4500992), (24, 3375744), (32, 2531808), (36, 2250496), (48, 1687872), (59, 1373184), (64, 1265904), (72, 1125248), (96, 843936), (118, 686592), (128, 632952), (144, 562624), (149, 543744), (177, 457728), (192, 421968), (236, 343296), (256, 316476), (288, 281312), (298, 271872), (354, 228864), (384, 210984), (447, 181248), (472, 171648), (512, 158238), (531, 152576), (576, 140656), (596, 135936), (708, 114432), (768, 105492), (894, 90624), (944, 85824), (1024, 79119), (1062, 76288), (1152, 70328), (1192, 67968), (1341, 60416), (1416, 57216), (1536, 52746), (1788, 45312), (1888, 42912), (2124, 38144), (2304, 35164), (2384, 33984), (2682, 30208), (2832, 28608), (3072, 26373), (3576, 22656), (3776, 21456), (4248, 19072), (4608, 17582), (4768, 16992), (5364, 15104), (5664, 14304), (7152, 11328), (7552, 10728), (8496, 9536), (8791, 9216)]